1173323201 has 4 divisors (see below), whose sum is σ = 1178192004. Its totient is φ = 1168454400.

The previous prime is 1173323191. The next prime is 1173323213. The reversal of 1173323201 is 1023233711.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1023233711 = 83 ⋅12328117.

It can be written as a sum of positive squares in 2 ways, for example, as 1044840976 + 128482225 = 32324^2 + 11335^2 .

It is a cyclic number.

It is not a de Polignac number, because 1173323201 - 2²² = 1169128897 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1173323101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2434040 + ... + 2434521.

It is an arithmetic number, because the mean of its divisors is an integer number (294548001).

Almost surely, 2^1173323201 is an apocalyptic number.

It is an amenable number.

1173323201 is a deficient number, since it is larger than the sum of its proper divisors (4868803).

1173323201 is an equidigital number, since it uses as much as digits as its factorization.

1173323201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4868802.

The product of its (nonzero) digits is 756, while the sum is 23.

The square root of 1173323201 is about 34253.8056425852. The cubic root of 1173323201 is about 1054.7249497481.

Adding to 1173323201 its reverse (1023233711), we get a palindrome (2196556912).

The spelling of 1173323201 in words is "one billion, one hundred seventy-three million, three hundred twenty-three thousand, two hundred one".